AKD4642 Datasheet, PDF (16/34 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4642

ASAHI KASEI
1. EXT mode (slave mode)
MEASUREMENT RESULTS
[Measurement condition]
• Measurement unit: Audio Precision, System two
• BICK: 64fs
• Bit: 16bit
• Measurement Frequency: 20∼ 20kHz
• Power Supply: AVDD=DVDD=HVDD=3.3V
• Temperature: Room
• Input Frequency: 1kHz
• Sampling Frequency: 44.1kHz
[Measurement Results]
2. ADC (LIN2/RIN2) characteristics (IVOL=0dB, ALC1 = OFF, LIN2/RIN2 Æ ADC Æ IVOL)
L[dB]
R[dB]
MGAIN Bit
00
01
00
01
THD+N
DR
S/N
20kHzLPF (-1dB)
20kHzLPF + A-weighted
20kHzLPF + A-weighted
87.3
82.9
87.1
82.7
94.9
86.3
94.9
86.1
95.0
86.2
95.1
86.0
3.DAC (LOUT/ROUT) characteristics (RL=10kΩ, DAC Æ LOUT/ROUT)
L[dB]
R[dB]
THD+N 20kHzLPF (-3dB)
87.5
87.6
S/N
20kHzLPF + A-weighted
92.0
93.4
[AKD4642-B]
<KM075801>
- 16 -
2005/02